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Resubmissions

12/01/2025, 07:50

250112-jpctdstkat 10

12/01/2025, 07:44

250112-jktw4svqgk 10

Analysis

  • max time kernel
    844s
  • max time network
    844s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2025, 07:50

General

  • Target

    d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e.exe

  • Size

    60KB

  • MD5

    e2184da5d001380387816a36ae4095b7

  • SHA1

    1c95879965d58eb16555621a8be7a922cbb40962

  • SHA256

    d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e

  • SHA512

    c54d49ddd9dc1fdfde793228d89891f87fe477b30442ccb4bf2273a7f0c4996ce40185e3a7f47a60dea8ab9203e88f37d96fa517929e8b2eabaf2b3874947c1c

  • SSDEEP

    1536:4rOaf+p9RTeoi6HLJ3Zi4jMdsSDclcbiGCq2iW7z:4rOa2TRxFY4jcDclceGCH

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e.exe
    C:\Users\Admin\AppData\Local\Temp\d5665f986ad453b570358cf576667729875b5631bc9deb5a55308f9efd3d3c0e.exe cmd /c %TERMINATE% "DELETE"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\qVDeOD.exe
      C:\Users\Admin\AppData\Local\Temp\qVDeOD.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\58d0790c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\58d0790c.bat

    Filesize

    187B

    MD5

    3d0c21d6d2541f222e5516bb7e2a079a

    SHA1

    478e09a31002f3117b12ac5150f822439eafcac1

    SHA256

    05b5bb5626c659b621f684af5f1b817dc8c709f4bec0a53a9db79ddf2290be6e

    SHA512

    6a1bca369b264feece59e4164b53b5efee3035099bd6066e2f9abd3ce1aff2bf3a1acdcc0cb0510eb440990ef59a1467ae0e77d4a729861910fefec8d5b00dce

  • \Users\Admin\AppData\Local\Temp\qVDeOD.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1660-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1660-10-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/1660-9-0x00000000001B0000-0x00000000001B9000-memory.dmp

    Filesize

    36KB

  • memory/1660-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2068-11-0x0000000000920000-0x0000000000929000-memory.dmp

    Filesize

    36KB

  • memory/2068-25-0x0000000000920000-0x0000000000929000-memory.dmp

    Filesize

    36KB